Abstract:
PURPOSE: A pyrazolylmethylamine-piperazine derivative which is effective as a calcium ion channel modulator is provided to ensure effective activation as an T-type calcium ion channel antagonist and to use as an agent for preventing and treating brain diseases, heart diseases and pain diseases. CONSTITUTION: A pyrazolylmethylamine-peperazine derivative is denoted by chemical formula 1. A pharmaceutical composition for preventing and treating brain diseases, heart diseases or pain diseases by T-type calcium ion channel antagonism contains the pyrazolylmethylamine-peperazine derivative of chemical formula 1 or its pharmaceutically acceptable salt an active ingredient. The brain disease is epilepsy, depression, Parkison's disease, dementia or somnipathy. The heart disease is hypertension, cardiac arrhythmia, myocardial infarction, or congestive failure. The pain disease is chronic pain, acute pain, or neurogenic pain. The pyrazolylmethylamine-peperazine derivative is prepared by binding pyrazolylmethylamine compound of chemical formula 3 with piperazine acetyl halide compound of chemical formula 2.
Abstract:
본 발명은 신규한 1-베타메틸카바페넴 유도체, 그의 제조방법 및 이를 유효성분으로 함유하는 항생제용 약학 조성물에 관한 것으로, 상기 1-베타메틸카바페넴 유도체는 1-베타메틸카바페넴 모핵의 2번 위치에 주요 관능기로서 5-(3'-알킬옥시이미노)피롤리디닐아미도피롤리딘-3-티오기가 치환됨을 특징으로 한다. 본 발명의 1-베타메틸카바페넴 유도체는 그람 양성균 뿐만 아니라 ESBL (extended-spectrum β-lactamase) 및 MDR(multi-drug resistant) 생성 균주를 포함하는 그람 음성균에 대하여 우수한 항균활성을 나타내므로, 항생제로 유용하게 사용될 수 있다.
Abstract:
본 발명은 신규한 1-베타메틸카바페넴 유도체, 그의 제조방법 및 이를 유효성분으로 함유하는 항생제용 약학 조성물에 관한 것으로, 상기 1-베타메틸카바페넴 유도체는 1-베타메틸카바페넴 모핵의 2번 위치에 주요 관능기로서 5-(3'-알킬옥시이미노)피롤리디닐아미도피롤리딘-3-티오기가 치환됨을 특징으로 한다. 본 발명의 1-베타메틸카바페넴 유도체는 그람 양성균 뿐만 아니라 ESBL (extended-spectrum β-lactamase) 및 MDR(multi-drug resistant) 생성 균주를 포함하는 그람 음성균에 대하여 우수한 항균활성을 나타내므로, 항생제로 유용하게 사용될 수 있다.
Abstract:
PURPOSE: Carbapenem derivatives and a preparation process thereof are provided, thereby preparing carbapenem derivatives having improved antimicrobial activity and renal dehydropeptidase I(DHP-I) stability. CONSTITUTION: Carbapenem derivatives represented by formula(I) are provided, wherein R1 and R2 are independently hydrogen, hydroxy substituted or unsubstituted C1 to C5 lower alkyl, or allyl, and form C3 to C6 heterocycle containing nitrogen and optionally hetero atoms of S or O together; and X is carbonyl or sulfonyl. A process for preparing the carbapenem derivatives of formula(I) comprises the steps of: reacting carbapenem scaffold of formula(II) with diphenylchloro phosphate or anhydrous trifluoromethane sulfonic acid in the presence of base and a solvent to prepare a carbapenem intermediate of formula(VII); reacting the carbapenem intermediate of formula(VII) with thiol derivative of formula(III) in the presence of base and a solvent to prepare a protected carbapenem derivative of formula(VIII); and hydrogenating the protected carbapenem derivative of formula(VIII) in the presence of a catalyst to remove a protecting group, wherein R3 is para-nitrobenzyl or allyl; R4 is para-nitrobenzyloxycarbonyl or allyoxycarbonyl; X is carbonyl or sulfonyl; and Y is -OPO(OPh)2 or -OSO2CF3.
Abstract:
본 발명은 항균제로 유용한 신규의 1-베타메틸카바페넴 유도체, 그를 포함하는 약학적 조성물 및 그의 제조방법에 관한 것으로서, 구체적으로 화학식 1로 표시되는 카바페넴 모핵의 2번 위치에 주요 관능기로서 5'-이소옥사졸로피롤리딘-3'-일티오기가 치환된 1-베타메틸카바페넴 유도체, 그를 포함하는 약학적 조성물 및 그의 제조방법에 관한 것이며, 본 발명에 의한 1-베타메틸카바페넴 유도체는 디히드로펩티다제-I에 대해 안정하고 그람양성균 및 그람음성균 모두에 대해 우수한 항균 활성을 보이는 유용한 항균제이다.
Abstract:
The polycyanamide compound of formula (I) is prepared by conducting diazotization of polycyanamide of formula(II) in sulfuric acid; coupling diazotized polycyanamide with alizarin yellow GG of formula (IIIa), sudan III of formula(IIIb), orange II of formula(IIIc), acriflavine of formula(IIId), bordeaux R of formula(IIIe), K2 of formulas(IIIf). In formula, x is 10-30.
Abstract:
The method for preparing N-(2-halopropionyl)-proline derivatives of formula (I), used as an inhibitor against angiotensin and antihypertensive agent, is presented. Thus, 4.1g of proline benzylester is dissolved in 20ml of chloroform and the above mixture is cooled in water-ice bath. Then, 1.7g 2-bromopropionyl chloride is dropped slowly in 15ml of chloroform containing proline ester. The above mixture is stirred at 25≦̸C C for 2 hrs and the obtained chloroform layer is washed with water three times, evaporated and purified. In (I), R1 is H, C1-10 lower alkyl or aryl; R2 and R3 are each H, C1-4 alkyl, aryl, amino or cyano; X is Cl, Br or I.
Abstract:
A phenyldichlorophosphine (PDP) of formula (I) is prepd. by reacting chlorobenzene of formula (II) with PCl3 in the presence of yellow (white) phosphorus for 6-8.5 hr at 300-315 deg.C. The mole ratio of (II):PCl3:yellow phosphorus is 1.0:1.2-1.5:0.7-0.9. (I) is useful as intermediates of agrichemicals, drugs and dyes.